Latest cybersecurity reporting from selected sources.

A China-linked threat cluster has been exploiting vulnerable Roundcube servers at U.S. and Canadian universities to steal credentials and deploy backdoor malware. [...]

A new threat actor called Amaranth Dragon, linked to APT41 state-sponsored Chinese operations, exploited the CVE-2025-8088 vulnerability in WinRAR in espionage attacks on government and law enforcement agencies. [...]

Chinese Attackers Among Those Tied to Attempted Exploits of FortiSIEM AppliancesCritical vulnerabilities in edge devices are continuing to be discovered by security researchers and rapidly targeted by attackers. Lately, this includes a critical vulnerability in Fortinet's FortiSIEM appliances, which Chinese and other hackers began targeting just two days post-patch.

A China-affiliated threat actor known as UNC6384 has been linked to a fresh set of attacks exploiting an unpatched Windows shortcut vulnerability to target European diplomatic and government entities between September and October 2025

The exploitation of a recently disclosed critical security flaw in Motex Lanscope Endpoint Manager has been attributed to a cyber espionage group known as Tick

Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025

A newly patched security flaw impacting Broadcom VMware Tools and VMware Aria Operations has been exploited in the wild as a zero-day since mid-October 2024 by a threat actor called UNC5174, according to NVISO Labs

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on July 22, 2025, added two Microsoft SharePoint flaws, CVE-2025-49704 and CVE-2025-49706, to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation

The China-linked threat actor behind the recent in-the-wild exploitation of a critical security flaw in SAP NetWeaver has been attributed to a broader set of attacks targeting organizations in Brazil, India, and Southeast Asia since 2023

A Chinese-speaking threat actor tracked as UAT-6382 has been linked to the exploitation of a now-patched remote-code-execution vulnerability in Trimble Cityworks to deliver Cobalt Strike and VShell

A recently patched pair of security flaws affecting Ivanti Endpoint Manager Mobile (EPMM) software has been exploited by a China-nexus threat actor to target a wide range of sectors across Europe, North America, and the Asia-Pacific region

A recently disclosed critical security flaw impacting SAP NetWeaver is being exploited by multiple China-nexus nation-state actors to target critical infrastructure networks

A Mirai botnet variant has been found exploiting a newly disclosed security flaw impacting Four-Faith industrial routers since early November 2024 with the goal of conducting distributed denial-of-service (DDoS) attacks

Possible Chinese-state sponsored Exploit Kit Using Browser Flaws to Deploy SpywareA possible Chinese-state threat group is targeting vulnerabilities in messaging apps to deliver spyware in cross-platform devices used by members of ethnic minorities targeted for repression by Beijing. Trend Micro dubs the group "Earth Minotaur."

State-sponsored threat actors backed by China gained access to 20,000 Fortinet FortiGate systems worldwide by exploiting a known critical security flaw between 2022 and 2023, indicating that the operation had a broader impact than previously known

Chinese threat actors are targeting ThinkPHP applications vulnerable to CVE-2018-20062 and CVE-2019-9082 to install a persistent web shell named Dama. [...]

Attackers Exploit Old Flaw, Hijack TP-Link Archer RoutersHalf a dozen different botnets are prowling the internet for TP-Link-brand Wi-Fi routers unpatched since last summer with the goal of commandeering them into joining distributed denial-of-service attacks. Chinese router manufacture TP-Link in June patched a command injection vulnerability.

UNC5174 Exploited F5 BIG-IP and ScreenConnect VulnerabilitiesA likely Chinese hacker-for-hire used high-profile vulnerabilities in a campaign targeting a slew of Southeast Asian and U.S. governmental and research organizations, says threat intel firm Mandiant. Rapid exploitation of newly patched flaws has become a hallmark of Chinese threat actors.

The Chinese state-sponsored group known as UNC3886 has been found to exploit a zero-day flaw in VMware ESXi hosts to backdoor Windows and Linux systems

Threat actors are leveraging known flaws in Sunlogin software to deploy the Sliver command-and-control (C2) framework for carrying out post-exploitation activities